ce1fb03db8
Add an additional explanation of what is wrong if a constraint is not satisfied, in some cases. Additionally the bug report generation is changed to use raw_ostream. Reviewed By: Szelethus, NoQ Differential Revision: https://reviews.llvm.org/D144003
32 lines
2.0 KiB
C
32 lines
2.0 KiB
C
// Check the bugpath related to the reports.
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// RUN: %clang_analyze_cc1 %s \
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// RUN: -analyzer-checker=core \
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// RUN: -analyzer-checker=apiModeling.StdCLibraryFunctions \
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// RUN: -analyzer-checker=alpha.unix.StdCLibraryFunctionArgs \
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// RUN: -analyzer-checker=debug.StdCLibraryFunctionsTester \
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// RUN: -analyzer-checker=debug.ExprInspection \
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// RUN: -triple x86_64-unknown-linux-gnu \
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// RUN: -analyzer-output=text \
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// RUN: -verify=bugpath
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typedef typeof(sizeof(int)) size_t;
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int __buf_size_arg_constraint(const void *, size_t);
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void test_buf_size_concrete(void) {
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char buf[3]; // bugpath-note{{'buf' initialized here}}
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int s = 4; // bugpath-note{{'s' initialized to 4}}
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__buf_size_arg_constraint(buf, s); // \
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// bugpath-warning{{The 1st argument to '__buf_size_arg_constraint' is out of the accepted range; It should be a buffer with size equal to or greater than the value of the 2nd argument}} \
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// bugpath-note{{The 1st argument to '__buf_size_arg_constraint' is out of the accepted range; It should be a buffer with size equal to or greater than the value of the 2nd argument}}
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}
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int __buf_size_arg_constraint_mul(const void *, size_t, size_t);
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void test_buf_size_concrete_with_multiplication(void) {
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short buf[3]; // bugpath-note{{'buf' initialized here}}
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int s1 = 4; // bugpath-note{{'s1' initialized to 4}}
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int s2 = sizeof(short); // bugpath-note{{'s2' initialized to}}
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__buf_size_arg_constraint_mul(buf, s1, s2); // \
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// bugpath-warning{{The 1st argument to '__buf_size_arg_constraint_mul' is out of the accepted range; It should be a buffer with size equal to or greater than the value of the 2nd argument times the 3rd argument}} \
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// bugpath-note{{The 1st argument to '__buf_size_arg_constraint_mul' is out of the accepted range; It should be a buffer with size equal to or greater than the value of the 2nd argument times the 3rd argument}}
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}
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